Was 9/11 really an INSIDE job?

9/11 was a tragic event that occurred on September 11, 2001. Four planes were hijacked with each having a different target. This was all carried out by the terrorist group Al-Queda. OR THATS WHAT THEY SAY
this video explains the conspiracy behind 9/11.
Regardless if it was a conspiracy or not everyone living in the U.S can agree that we wasted two decades (Iraq War) and trillions of dollars (taxpayers dollars; your money) on military funding that was unnecessary. The money very well could have been spent on free healthcare for the people but of course the people in power don’t want that. Obviously we must spend lots of money on our military per year BUT HOW MUCH IS TOO MUCH?
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I understand this a very taboo subject. Should I receive any censorship on this video it will only strengthen my argument on the 9/11 conspiracy.
I believe in free speech.
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STILL NOT CONVINCED WATCH THESE

https://youtu.be/CdE1Cwnymzc

https://www.youtube.com/watch?v=1FPTWBz9_CM&t=1s
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Dupers Delight

https://youtu.be/QLkeUmgY1cc